Now we can create some sample data to load in to our application(this
step requires you have a valid database configured and ready to go. The
build-all-reload task will drop and recreate the database, create
tables, and load data fixtures

Create a file in system/application/fixtures/users.yml

$ vi fixtures/users.yml

Add the following yaml to the file

User: jwage: username: jwage password: test

Now run the build-all-reload task to drop db, build models, recreate

$ ./doctrine build-all-reload build-all-reload - Are you sure you wish